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You can drain the tank using parts that are already on the bike too !
Unplug the fuel hose from the tank bung then unplug it from the throttle body. There's a button on the side of the hose that you depress and pull the hose out at the throttle body.
Now plug the hose back into the tank bung. Then find a piece of hose a couple feet long that will fit snuggly on the other end of the fuel line and stick the hose into a fuel can.
Take the seat and side cover off the bike, locate the fuel pump fuse and remove it. Trim a small spade connector to fit into the fuse terminal. Then take a jumper wire from the fuse terminal to the positive battery terminal, this turns the pump on as long as the jumper is connected. Try both fuse terminals untill the pump runs.
Leave the bike on the side stand and run the pump several times to make sure that the fuel from the right side transferes to the left side and the tank drains completely.
When finished hook everything back up as it was when you started.
Note: Be carefull to not run the pump too long without fuel.

__________________Disclaimer : Don't believe anything I say unless you are absolutely sure that I know what I'm talking about .

Never going to empty the tank completely with the pump...only way is to remove the tank and invert it. I would just treat the fuel with stabilizer and park it where you want...it's in no more danger of exploding in the house than it is out in the garage.

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